溶劑抗性 的英文怎麼說
中文拼音 [róngjìkàngxìng]
溶劑抗性
英文
solvent resistance- 溶 : 動詞(溶化; 溶解) dissolve
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 溶劑 : dissolvant; solvent; resolvent; solventia; menstruum
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The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion
本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。After careful studying their relative importance to immune response and the possibility of the match, seventeen sequences of interest were selected for further experiment, including estss analogous to 11. 5kd antibacterial peptide, lysozyme, serine protease and its inhibitor, lectin, antifreeze protein, et al. primers designed according to the sequences were used to amplify the corresponding estss from both blood and cephalothorax cdna library
在仔細分析了它們在免疫系統中的重要性和在對蝦中出現的可能性之後,從中選出了17條可能編碼抗菌肽,溶菌酶,凝集素、絲氨酸蛋白酶及其抑制劑,抗凍蛋白等蛋白質的序列,以此為依據設計引物,在中國對蝦的血液和頭胸部cdna文庫中擴增相應的序列。Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type
以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料,在引發劑的存在下,以水或醇作溶劑進行聚合,加入苯乙烯、醋酸乙烯等改性,合成了3種不同的水溶性丙烯酸改性樹脂,並對其性能進行了測定.結果表明:這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品This paper studies the anti - oxidation activity of extract from perilla frutescens with alcohol in microbiological - paper test and oven - storage test
摘要以乙醇為溶劑,從紫蘇中提取有效成分,採用微生物活性紙片法和烘箱法對紫蘇乙醇提取物的抗氧化活性進行研究。Simultaneously cross - linked and quaternized 4 - vp - co - nbuma was also investigated as humidity sensing materials and showed good linearity, high sensitivity, good high stability at high humidity and high temperature, and durability to organic solvent, etc. sensors based on 4vp - co - buma ( vp / buma = l / l ) with crosslinking and quaternization reaction of 17 hours exhibited a change of three orders of magnitude ( 104 ~ 107 ) in impedance over the range of 95 % rh ~ 30 % rh, showing high sensitivity, and little hysteresis was observed
元件具有響應線性度好,靈敏度高,濕滯小、高溫高濕穩定性好、耐無水乙醇有機溶劑性能好等優點。其中,交聯季胺化17小時配料比為1 1共聚物濕敏元件,在33 rh 95 rh濕度范圍內,阻抗變化達3個數量級( 10 ~ 7 - 10 ~ 4 ) ,響應靈敏度高,幾乎無濕滯。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4Emfrig n oils are selected mineral oils by solvent processing and finishing, to give the light color, low pour point, low carbon residue, low floc point and good oxidation stability
Emfrig n是以精選礦物油經溶劑提純與精煉而成,具有淺色、低殘碳、低絮凝點與優異的抗氧化性。Toughening thermoset matrix composites with interlayered thermoplastic particles is an effective method to improve fracture toughness and impact resistance without sacrificing hot / wet properties. furthermore, transverse strength, fatigue resistance and solvent resistance can also be enhanced. drapability and tackness of interleaved prepreg is maintained as conventional level
對樹脂基體復合材料採取層間顆粒增韌是提高復合材料層壓板韌性、抗沖擊能力和抗分層能力的有效途徑,在保持原有復合材料濕熱性能的前提下,通過層間顆粒增韌,還可以改善垂直纖維方向的強度、抗疲勞性能以及耐溶劑性,並不影響原有的成型工藝。Raw optical glass. resistance to attack by aqueous alkaline phosphate - containing detergent solutions at 50 degrees celsius. testing and classification
未加工的光學玻璃. 50下含洗滌劑溶液的含水堿性磷酸鹽的侵蝕抗性.試驗和分類This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds
研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。Inhibitor ' s effect on salt spray corrosion resistance performance of amphibian armored equipment solvent antirust oil
防銹劑對兩棲裝甲裝備溶劑型防銹油抗鹽霧性能的影響Graphic technology - prints and printing inks - assessment of resistance to solvents
印刷技術.印刷品和油墨.抗溶劑性的評定法The effectiveness has been checked through the properties of clay samples tested on the changes of weight, color, gas permeability, solvent resistance, water resistance and salt resistance
通過對加固前後土樣的重量、顏色、透氣性、耐溶劑性、抗水解性和耐鹽安定性等主要性能的分析,評價了加固效果。Transformer and coil usage : high temperature, oil, voltage resistance, excellent weather reistant property, special - lized in transfomer and coil. with assorted colors
變壓器線圈用:耐高溫、耐溶劑、耐電壓、抗老化性佳,特別適用於電子工業方面之變壓器及線圈,絕緣電阻> 1 1012歐姆,顏色齊全。The properties of product : extremely high wear - resisting performance, an extremely low cofficion ; fine person who lubricate by oneself, it si unnecessary the note oil, use the difficult card to die under the abominable condition ; antistatic, it is fire - retardant to resist, ageing - resistant, able to bear the corrosion of chemistry ( sour alkali and organic solvent ) ; can bear and assault, shake repeatedly ; mechanical performance is excellent, light, install it conveniently
產品性能:極高的耐磨性能,極低的摩擦系數,優良的自潤滑性,不用注油,在惡劣條件下使用不易卡死;具有抗靜電,抗阻燃,耐老化,耐化學(酸、堿和有機溶劑)的腐蝕;能承受反復沖擊、震動;機械性能優異,重量輕,安裝方便。Features : able to endure the erosion of oil - resisting and non - polarity solvent, heat isolation is better than the natural rubber and styrene butadiene rubber
能抗耐油和非極性溶劑的腐蝕,耐熱性能比天然膠、丁苯膠好。Particular wires, can be used for long time under the condition of - 65 200 anti strong acid and alkali, durable usage range : be used with intercoms and access control systems. can be installed onto wooden door, metal door, glass door, fireproof door function : working voltage : 12vdc working current : 0. 53a working condition : 40 50 holding force : 280kgs working mode : cut off power to open when the door is being locked, the led turn green, and when the door is open, the led turn red. with network signal output insulated test : dc500v absolutely insulated in 1 minute dimension of the magnet board : 80x24x3mm dimension : 230x40x25mm weight : 1780g
Jdy - 280埋入式磁力鎖產品特性:安裝方便噪音低壽命長吸力強無剩磁特製導線,可長期使用在65200溫度范圍內,抗強酸堿和有機溶劑,耐老化適用於90開門適用范圍:可與樓宇對講門禁系統配套使用適用門型:木門金屬門玻璃門防火門電氣性能:工作電壓: 12vdc工作電流: 0 . 53a工作環境: 40 50工作方式:斷電開鎖絕緣電阻測試: dc500v 1分鐘無擊穿鐵板尺寸: 184 x 36 x 11mm外形尺寸: 230 x 40 x 25mm重量: 1780gAbstract : recrystallized in multiple solvent consisting of ethanol, low - carbon alcohol and water, antioxidant1010 was refined, and the main factors of affecting crystalliza tion including solvent, water et. al. were studied in the laboratory, and individua l delta - form crystals of antioxidant1010 with good stability, fast drying speed, hi gh purity, heavy bulk density, good flowability, low volatility was obtained
文摘:在乙醇、低級醇a和水三元混合溶劑中,通過對抗氧劑1010粗品的重結晶精製研究,制備得到了純度高、堆密度大、流動性好、揮發份低、質量穩定、乾燥速度快的型抗氧劑1010 。Graphic technology. printing and printing inks. determination of fastness to solvents
印刷術.印刷和印刷油墨.抗溶劑性能測定分享友人